CN115401875A - Secondary demolding mold - Google Patents

Secondary demolding mold Download PDF

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Publication number
CN115401875A
CN115401875A CN202211234389.7A CN202211234389A CN115401875A CN 115401875 A CN115401875 A CN 115401875A CN 202211234389 A CN202211234389 A CN 202211234389A CN 115401875 A CN115401875 A CN 115401875A
Authority
CN
China
Prior art keywords
insert
block
movable groove
guide
sliding block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211234389.7A
Other languages
Chinese (zh)
Inventor
沈燕
龚志鹏
李垚
张建明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Chuangyitong Technology Co Ltd
Original Assignee
Shenzhen Chuangyitong Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Chuangyitong Technology Co Ltd filed Critical Shenzhen Chuangyitong Technology Co Ltd
Priority to CN202211234389.7A priority Critical patent/CN115401875A/en
Publication of CN115401875A publication Critical patent/CN115401875A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a secondary demolding mold which comprises an upper template, a lower template, a sliding block, an inclined top, a sliding block insert, a guide block and an upper template insert. The inclined top can be movably arranged on the sliding block back and forth along the second movable groove and can move back and forth along with the sliding block; the slide block insert can be movably arranged on the slide block back and forth along the third movable groove and can move back and forth along with the slide block; the matched guide block is arranged on the upper template in an up-and-down extending manner and is matched with the outer end of the inclined top for limiting; this cope match-plate pattern mold insert sets up on the cope match-plate pattern and supports the outer terminal surface at the slider mold insert, make when the drawing of patterns, guide block and last mold insert can be respectively spacing to the horizontal activity of pitched roof and slider mold insert, make it move about earlier, then pitched roof and slider mold insert can drive down the realization secondary drawing of patterns at the slider, need not more demolding structures, the structure is simpler, the cost is reduced, the stability and the structural strength in the mould use have been improved, the maintenance process also can be more convenient.

Description

Secondary demolding mold
Technical Field
The invention relates to the technical field of dies, in particular to a secondary demolding die.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, with different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".
With the rapid development of the manufacturing industry level, the structure of a plastic part is more and more complex, and the insert can only be directly pulled out in the demolding process of the existing mold structure, so that demolding in different directions can be realized only by making a plurality of demolding mechanisms aiming at the structure of a special product, the mold structure is more complex, the demolding requirement of a specific product cannot be met, the cost of the mold is increased, and the stability in the using process of the mold and the strength of the integral structure of the mold can be reduced; the maintenance process is also inconvenient; therefore, there is a need for further improvements to existing mold structures.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and a primary objective of the present invention is to provide a secondary demolding mold, which can effectively solve the problems of the prior mold that a plurality of demolding mechanisms are required for a special workpiece, the structure is complex, the cost is high, the stability is poor, and the maintenance process is inconvenient.
In order to achieve the purpose, the invention adopts the following technical scheme:
a secondary demolding mold comprises an upper template, a lower template, a slide block, an inclined top, a slide block insert, a guide block and an upper template insert; the lower template is movably arranged below the upper template up and down and back and forth, and a first movable groove extending transversely is arranged on the lower template; the sliding block can be transversely movably arranged in the first movable groove back and forth and can move back and forth up and down along with the lower template, and a second movable groove and a third movable groove are formed in the sliding block; the inclined top can be movably arranged on the sliding block back and forth along the second movable groove and can move back and forth along with the sliding block; the slide block insert can be movably arranged on the slide block back and forth along the third movable groove and can move back and forth along with the slide block; the guide block is arranged on the upper template in an up-and-down extending manner and is matched with the outer end of the inclined top for limiting; the upper template insert is arranged on the upper template and is abutted against the outer end face of the slide block insert.
As a preferable scheme, the sliding block is provided with a first oblique guide hole, the upper die plate is provided with a guide post matched with the first guide hole, and the sliding block moves back and forth along the first movable groove through the matching of the first guide hole and the guide post.
As a preferable scheme, two sliding parts matched with the first movable groove extend integrally from the sliding block, the two sliding parts are arranged at intervals, and each sliding part is provided with the first guide hole; correspondingly, the guide posts are also two at intervals.
As a preferred scheme, a second guide hole penetrating through the upper surface and the lower surface of the lower template is formed in the bottom of the first movable groove, and the second guide hole is matched with the first guide hole.
As a preferred scheme, the second movable groove and the third movable groove are a plurality of grooves arranged at intervals, the corresponding lifter, the sliding block insert, the guide block and the upper template insert are also a plurality of grooves arranged correspondingly, and each sliding block insert is correspondingly provided with an upper template insert.
As a preferable scheme, the guide block is fixed on the upper template through a positioning insert, the side of the guide block is provided with a guide part extending up and down, and the outer end of the inclined top is correspondingly provided with a guide groove matched with the guide part.
As a preferred scheme, the slider is further provided with two positioning holes communicated with the second movable groove, the two positioning holes are arranged at intervals along the extending direction of the second movable groove, each positioning hole is internally provided with a positioning wave bead, and the corresponding inclined top is provided with two positioning holes matched with the positioning wave beads.
As a preferred scheme, the slide block is further provided with a yielding groove matched with the guide block.
As a preferred scheme, a contact block is fixed at the outer end of the slide block insert, a spring is further arranged in the third movable groove, the spring is sleeved on the slide block insert, two ends of the spring respectively abut against the inner wall of the third movable groove and the side wall of the contact block, and the spring is used for urging the slide block insert to be ejected outwards.
As a preferred scheme, the side wall of the contact block is provided with a limit groove, a limit block is arranged in the third movable groove, and the limit block is positioned beside the side of the contact block and extends inwards into the limit groove.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the inclined top can be movably arranged on the sliding block back and forth along the second movable groove and can move back and forth along with the sliding block; the slide block insert can be movably arranged on the slide block back and forth along the third movable groove and can move back and forth along with the slide block; the matched guide block is arranged on the upper template in an up-and-down extending manner and is matched with the outer end of the inclined top for limiting; this cope match-plate pattern mold insert sets up on the cope match-plate pattern and supports the outer terminal surface at the slider mold insert, make when the drawing of patterns, the slider drives when pushing up and slider mold insert down, guide block and last mold insert can carry on spacingly to the horizontal activity of pushing up and slider mold insert respectively, it fixes the product to make it move about earlier, break away from the guide block respectively and go up the mold insert until pushing up and slider mold insert to one side, then product realization secondary drawing of patterns can be kept away from under the slider drive to top and slider mold insert, satisfy the drawing of patterns demand of specific product, need not more demolding structure, overall structure is simpler, the cost of mould has been reduced, the stability and the structural strength in the mould use have been improved, the maintenance process also can be more convenient.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 2 is a partial assembly view of the preferred embodiment of the present invention;
FIG. 3 is another partially assembled view of the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of the preferred embodiment of the present invention;
FIG. 5 is another cross-sectional view of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. upper template 11 and guide post
20. Lower die plate 201 and first movable groove
202. Second guide hole 30, slider
301. Second movable groove 302, third movable groove
303. First guide hole 304, positioning hole
305. Relief groove 31, sliding part
32. Positioning beads 33 and limiting blocks
40. Pitched roof 401, guide way
402. Positioning hole 50 and slide block insert
501. Limiting groove 51 and contact block
52. Spring 60, guide block
61. Positioning insert 62, guide part
70. And (4) an upper template insert.
Detailed Description
Referring to fig. 1 to 5, the detailed structure of the preferred embodiment of the present invention is shown, which includes an upper template 10, a lower template 20, a slide 30, a lifter 40, a slide insert 50, a guide block 60, and an upper template insert 70.
The lower template 20 is movably disposed below the upper template 10 up and down and back and forth, and a first movable groove 201 extending transversely is disposed on the lower template 20.
The sliding block 30 can be transversely and movably arranged in the first movable groove 201 back and forth and can move back and forth up and down along with the lower template 20, and a second movable groove 301 and a third movable groove 302 are formed in the sliding block 30; in this embodiment, the slider 30 has a first inclined guiding hole 303, the upper mold plate 10 has a guiding column 11 matching with the first guiding hole 303, and the slider 30 moves back and forth along the first moving slot 201 through the matching of the first guiding hole 303 and the guiding column 11; the sliding block 30 is integrally extended with two sliding portions 31 matched with the first movable groove 201, the two sliding portions 31 are arranged at intervals, and each sliding portion 31 is provided with the first guide hole 303; correspondingly, the two guide posts 11 are arranged at intervals; the bottom of the first movable groove 201 is provided with a second guide hole 202 penetrating through the upper surface and the lower surface of the lower template 20, and the second guide hole 202 is matched with the first guide hole 303; the second movable grooves 301 and the third movable grooves 302 are arranged at intervals; the slide block 30 is further provided with two positioning holes 304 communicated with the second movable groove 301, the two positioning holes 304 are arranged at intervals along the extending direction of the second movable groove 301, and each positioning hole 304 is provided with a positioning bead 32; the slide block 30 is further provided with a yielding groove 305 matched with the guide block 60; a stop block 33 is arranged in the third movable groove 302.
The inclined top 40 can be movably arranged on the sliding block 30 back and forth along the second movable groove 301 and can move back and forth along with the sliding block 30; in this embodiment, the plurality of slanted ejecting 40 are also arranged at intervals, each slanted ejecting 40 is located in the corresponding second movable groove 301, and the outer end of the slanted ejecting 40 is provided with a guide groove 401 matched with the guide portion 62; the pitched roof 40 is provided with two positioning holes 402 matched with the positioning beads 32, and the matching of the positioning beads 32 and the positioning holes 402 is used for positioning the pitched roof 40.
The slide insert 50 is movably arranged on the slide 30 back and forth along the third movable groove 302 and moves back and forth along with the slide 30; in this embodiment, the slide inserts 50 are disposed at intervals, and each slide insert 50 is located in the corresponding third movable groove 302; a contact block 51 is fixed at the outer end of the slide block insert 50, the contact block 51 abuts against the upper template insert 70, a spring 52 is further arranged in the third movable groove 302, the spring 52 is sleeved on the slide block insert 50, two ends of the spring 52 respectively abut against the inner wall of the third movable groove 302 and the side wall of the contact block 51, and the spring 52 is used for urging the slide block insert 50 to eject outwards. The side wall of the contact block 51 is provided with a limiting groove 501, the limiting block 33 is located beside the contact block 51 and extends inwards into the limiting groove 501, and the limiting block 33 is matched with the limiting groove 501 to limit the outward popping stroke of the slide block insert 50, so that the slide block insert 50 is prevented from completely falling out of the third movable groove 302.
The guide block 60 is arranged on the upper template 10 in an up-and-down extending manner and is matched with the outer end of the inclined top 40 for limiting; in the embodiment, the guide blocks are arranged at intervals; the guide block 60 is fixed on the upper template 10 through a positioning insert 61, and a guide part 62 extending up and down is arranged on the side edge of the guide block 60; the outer end of the slanted ejecting portion 40 is formed with a guide groove 401 engaged with the guide portion 62.
The upper template insert 70 is arranged on the upper template 10 and abuts against the outer end surface of the slide block insert 50; in this embodiment, a plurality of upper mold plate inserts 70 are correspondingly provided, and one upper mold plate insert 70 is correspondingly provided for each slide block insert 50.
Detailed description the working principle of the present embodiment is as follows:
during demolding, the lower template 20 moves downwards and drives the sliding block 30 to move downwards, meanwhile, the sliding block 30 also moves rightwards along the first movable groove 201, the sliding block 30 can drive the pitched roof 40 and the sliding block insert 50 to move together, the pitched roof 40 can move vertically downwards firstly under the limiting action of the guide block 60 until the pitched roof 40 is separated from the guide block 60, the pitched roof 40 can move downwards and rightwards simultaneously under the driving of the sliding block 30, in addition, the sliding block insert 50 can also move vertically downwards under the limiting action of the upper template insert 70 and fix a product until the outer end of the sliding block insert 50 is separated from the upper template insert 70, at the moment, the sliding block insert 50 can be ejected outwards under the action of the spring 52 and separated from the product, and meanwhile, the ejection of the sliding block insert 50 can also be limited under the action of the limiting block 33, so that secondary demolding is completed.
The design of the invention is characterized in that: the inclined top can be movably arranged on the sliding block back and forth along the second movable groove and can move back and forth along with the sliding block; the slide block insert can be movably arranged on the slide block back and forth along the third movable groove and can move back and forth along with the slide block; the matched guide block is arranged on the upper template in an up-and-down extending manner and is matched with the outer end of the inclined top for limiting; this cope match-plate pattern mold insert sets up on the cope match-plate pattern and supports the outer terminal surface at the slider mold insert, make when the drawing of patterns, the slider drives when pushing up and slider mold insert down, guide block and last mold insert can carry on spacingly to the horizontal activity of pushing up and slider mold insert respectively, it fixes the product to make it move about earlier, break away from the guide block respectively and go up the mold insert until pushing up and slider mold insert to one side, then product realization secondary drawing of patterns can be kept away from under the slider drive to top and slider mold insert, satisfy the drawing of patterns demand of specific product, need not more demolding structure, overall structure is simpler, the cost of mould has been reduced, the stability and the structural strength in the mould use have been improved, the maintenance process also can be more convenient.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (8)

1. The utility model provides a secondary drawing of patterns mould which characterized in that: the device comprises an upper template, a lower template, a slide block, a pitched roof, a slide block insert, a guide block and an upper template insert; the lower template is movably arranged below the upper template up and down and back and forth, and a first movable groove extending transversely is arranged on the lower template; the sliding block can be transversely movably arranged in the first movable groove back and forth and can move back and forth up and down along with the lower template, a second movable groove and a third movable groove are formed in the sliding block, an oblique first guide hole is formed in the sliding block, a guide post matched with the first guide hole is formed in the upper template, the sliding block can move back and forth along the first movable groove through the matching of the first guide hole and the guide post, two positioning holes communicated with the second movable groove are further formed in the sliding block, the two positioning holes are arranged at intervals along the extending direction of the second movable groove, and a positioning wave bead is arranged in each positioning hole; the oblique top can be movably arranged on the sliding block back and forth along the second movable groove and can move back and forth along with the sliding block, and two positioning holes matched with the positioning beads are formed in the oblique top; the slide block insert can be movably arranged on the slide block back and forth along the third movable groove and can move back and forth along with the slide block; the guide block is arranged on the upper template in an up-and-down extending manner and is matched with the outer end of the inclined top for limiting; the upper template insert is arranged on the upper template and is abutted against the outer end face of the slide block insert.
2. The secondary ejection die of claim 1, wherein: the sliding block is integrally provided with two sliding parts which are arranged at intervals in an extending manner and matched with the first movable groove, and each sliding part is provided with the first guide hole; correspondingly, the guide posts are also two at intervals.
3. The secondary ejection mold of claim 1, wherein: and a second guide hole penetrating through the upper surface and the lower surface of the lower template is formed in the bottom of the first movable groove, and the second guide hole is matched with the first guide hole.
4. The secondary ejection die of claim 1, wherein: the second movable groove and the third movable groove are a plurality of grooves arranged at intervals, correspondingly, the pitched roof, the sliding block insert, the guide block and the upper template insert are also a plurality of grooves arranged correspondingly, and each sliding block insert is correspondingly provided with an upper template insert.
5. The secondary ejection mold of claim 1, wherein: the guide block is fixed on the upper template through the positioning insert, the side edge of the guide block is provided with a guide part extending up and down, and correspondingly, the outer end of the inclined top is provided with a guide groove matched with the guide part.
6. The secondary ejection die of claim 1, wherein: and the sliding block is also provided with a yielding groove matched with the guide block.
7. The secondary ejection die of claim 1, wherein: the outer end of the sliding block insert is fixed with a contact block, a spring is further arranged in the third movable groove, the spring is sleeved on the sliding block insert, two ends of the spring respectively abut against the inner wall of the third movable groove and the side wall of the contact block, and the spring is used for urging the sliding block insert to be ejected outwards.
8. The secondary ejection die of claim 7, wherein: the contact block side wall is provided with a limiting groove, a limiting block is arranged in the third movable groove and is positioned beside the contact block side and extends inwards into the limiting groove.
CN202211234389.7A 2022-10-10 2022-10-10 Secondary demolding mold Pending CN115401875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211234389.7A CN115401875A (en) 2022-10-10 2022-10-10 Secondary demolding mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211234389.7A CN115401875A (en) 2022-10-10 2022-10-10 Secondary demolding mold

Publications (1)

Publication Number Publication Date
CN115401875A true CN115401875A (en) 2022-11-29

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CN202211234389.7A Pending CN115401875A (en) 2022-10-10 2022-10-10 Secondary demolding mold

Country Status (1)

Country Link
CN (1) CN115401875A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05253979A (en) * 1992-03-13 1993-10-05 Olympus Optical Co Ltd Undercut treatment mold
CN109093954A (en) * 2018-07-31 2018-12-28 苏州三湘利电子科技有限公司 A kind of secondary demolding mechanism
CN110091477A (en) * 2019-06-11 2019-08-06 广东科龙模具有限公司 A kind of mold releasability structure
CN211542247U (en) * 2019-12-31 2020-09-22 苏州泰之科模具有限公司 Injection mold of secondary drawing of patterns
CN214926708U (en) * 2021-04-19 2021-11-30 宁波明飞汽车零部件有限公司 Driving assembly
CN113858555A (en) * 2021-09-17 2021-12-31 深圳市创益通技术股份有限公司 Core-pulling device and method in side surface of plastic part
CN218593444U (en) * 2022-10-10 2023-03-10 深圳市创益通技术股份有限公司 Secondary demolding mold

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05253979A (en) * 1992-03-13 1993-10-05 Olympus Optical Co Ltd Undercut treatment mold
CN109093954A (en) * 2018-07-31 2018-12-28 苏州三湘利电子科技有限公司 A kind of secondary demolding mechanism
CN110091477A (en) * 2019-06-11 2019-08-06 广东科龙模具有限公司 A kind of mold releasability structure
CN211542247U (en) * 2019-12-31 2020-09-22 苏州泰之科模具有限公司 Injection mold of secondary drawing of patterns
CN214926708U (en) * 2021-04-19 2021-11-30 宁波明飞汽车零部件有限公司 Driving assembly
CN113858555A (en) * 2021-09-17 2021-12-31 深圳市创益通技术股份有限公司 Core-pulling device and method in side surface of plastic part
CN218593444U (en) * 2022-10-10 2023-03-10 深圳市创益通技术股份有限公司 Secondary demolding mold

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈建荣，张洪涛: "塑料成型工艺及模具设计", 北京理工大学出版社, pages: 179 - 180 *

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